{
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  {
   "cell_type": "markdown",
   "id": "7d9d110c",
   "metadata": {},
   "source": [
    "## sympy PROBLEMS record"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "9506bec5",
   "metadata": {},
   "outputs": [],
   "source": [
    "# %load environment.py\n",
    "from sympy import *\n",
    "from sympy.abc import x,y,z,t,k,l,n,m,p,q\n",
    "\n",
    "from sys import path\n",
    "path.append(\"/home/huang/Documents/packaging_tutorial/src\")\n",
    "\n",
    "%load_ext autoreload \n",
    "%autoreload 1\n",
    "\n",
    "%aimport function_calculator_package.extreme_points\n",
    "%aimport quadratic_function.base \n",
    "%aimport quadratic_function.hyperbola\n",
    "\n",
    "from function_calculator_package.extreme_points import *\n",
    "from quadratic_function.base import quadratic_function\n",
    "from quadratic_function.hyperbola import Hyperbola"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "6a5078ed",
   "metadata": {},
   "source": [
    "####  the is_decreasing function can't judge rightly out of the period domains."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "288dca28",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "is_decreasing(sin(x),Interval(pi/2+24*pi,3*pi/2+24*pi),x)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "9f71a3f8",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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   "pygments_lexer": "ipython3",
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